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Table 24 GPIO Data Commands

Command

Description

SET GPIO DATA <bit-mask>

Sets all the data out control bits.

<bit-mask> is an 8 bit mask expressed as 2 hex digits.

This value should be in the range 00-FF. The mask is

encoded as follows:

7 6 5 4 3 2 1 0

GPIO8 GPIO7 GPIO6 GPIO5 GPIO4 GPIO3 GPIO2 GPIO1

Each GPIO output bit is set to the corresponding value in

the mask. If a GPIO signal is set as an input, the value is

set but has no effect. If a GPIO signal is set for a special

function, the bit value give is ignored. For example, a

hex value of 80 sets GPIO8 to a 1 (high), all other GPIO

signals to low, except those set as special functions.

NOTE: The default output bit value on power up or reset

is 0 for all GPIO signals.

SHOW GPIO DATA

Shows the current state of the GPIO signals.

Example:

Local> set gpio data 80

Local> show gpio data

GPIO Data In

------------

GPIO #1 [1]

GPIO #2 [1]

GPIO #3 [0]

GPIO #4 [1]

GPIO #5 [1]

GPIO #6 [1]

GPIO #7 [0]

GPIO Data Out

-------------

GPIO #8 [1]

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 103 104

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Silex technology Embedded Intelligent Module SX-560 Especificaciones Pagina 65